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Gao J, Zhu Y, Zeng L, Liu X, Yang Y, Zhou Y. Recent advances on environmental behavior of Cu-based nanomaterials in soil-plant system: A review. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 361:121289. [PMID: 38820797 DOI: 10.1016/j.jenvman.2024.121289] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2024] [Revised: 05/23/2024] [Accepted: 05/28/2024] [Indexed: 06/02/2024]
Abstract
In recent years, copper-based nanomaterials (Cu-based NMs) have shown great potential in promoting agriculture development due to their special physicochemical characteristics. With the mass production and overuse of Cu-based NMs, there are potential effects on the soil-plant environment. Soil organisms, especially soil microorganisms, play a significant part in terrestrial or soil ecosystems; plants, as indirect organisms with soil-related Cu-based NMs, may affect human health through plant agricultural products. Understanding the accumulation and transformation of Cu-based NMs in soil-plant systems, as well as their ecotoxicological effects and potential mechanisms, is a prerequisite for the scientific assessment of environmental risks and safe application. Therefore, based on the current literature, this review: (i) introduces the accumulation and transformation behaviors of Cu-based NMs in soil and plant systems; (ii) focuses on the ecotoxicological effects of Cu-based NMs on a variety of organisms (microorganisms, invertebrates, and plants); (iii) reveals their corresponding toxicity mechanisms. It appears from studies hitherto made that both Cu-based NMs and released Cu2+ may be the main reasons for toxicity. When Cu-based NMs enter the soil-plant environment, their intrinsic physicochemical properties, along with various environmental factors, could also affect their transport, transformation, and biotoxicity. Therefore, we should push for intensifying the multi-approach research that focuses on the behaviors of Cu-based NMs in terrestrial exposure environments, and mitigates their toxicity to ensure the promotion of Cu-based NMs.
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Affiliation(s)
- Jieyu Gao
- College of Resources and Environment, Yangtze University, Wuhan, 430100, China
| | - Yi Zhu
- College of Resources and Environment, Yangtze University, Wuhan, 430100, China.
| | - Lingfeng Zeng
- Hunan International Scientific and Technological Cooperation Base of Agricultural Typical Pollution Remediation and Wetland Protection, College of Environment and Ecology, Hunan Agricultural University, Changsha, 410128, China
| | - Xin Liu
- Hunan International Scientific and Technological Cooperation Base of Agricultural Typical Pollution Remediation and Wetland Protection, College of Environment and Ecology, Hunan Agricultural University, Changsha, 410128, China.
| | - Yuan Yang
- Hunan International Scientific and Technological Cooperation Base of Agricultural Typical Pollution Remediation and Wetland Protection, College of Environment and Ecology, Hunan Agricultural University, Changsha, 410128, China
| | - Yaoyu Zhou
- Hunan International Scientific and Technological Cooperation Base of Agricultural Typical Pollution Remediation and Wetland Protection, College of Environment and Ecology, Hunan Agricultural University, Changsha, 410128, China
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Płuciennik K, Sicińska P, Misztal W, Bukowska B. Important Factors Affecting Induction of Cell Death, Oxidative Stress and DNA Damage by Nano- and Microplastic Particles In Vitro. Cells 2024; 13:768. [PMID: 38727304 PMCID: PMC11083305 DOI: 10.3390/cells13090768] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2024] [Revised: 04/26/2024] [Accepted: 04/28/2024] [Indexed: 05/13/2024] Open
Abstract
We have described the influence of selected factors that increase the toxicity of nanoplastics (NPs) and microplastics (MPs) with regard to cell viability, various types of cell death, reactive oxygen species (ROS) induction, and genotoxicity. These factors include plastic particle size (NPs/MPs), zeta potential, exposure time, concentration, functionalization, and the influence of environmental factors and cell type. Studies have unequivocally shown that smaller plastic particles are more cytotoxic, penetrate cells more easily, increase ROS formation, and induce oxidative damage to proteins, lipids, and DNA. The toxic effects also increase with concentration and incubation time. NPs with positive zeta potential are also more toxic than those with a negative zeta potential because the cells are negatively charged, inducing stronger interactions. The deleterious effects of NPs and MPs are increased by functionalization with anionic or carboxyl groups, due to greater interaction with cell membrane components. Cationic NPs/MPs are particularly toxic due to their greater cellular uptake and/or their effects on cells and lysosomal membranes. The effects of polystyrene (PS) vary from one cell type to another, and normal cells are more sensitive to NPs than cancerous ones. The toxicity of NPs/MPs can be enhanced by environmental factors, including UV radiation, as they cause the particles to shrink and change their shape, which is a particularly important consideration when working with environmentally-changed NPs/MPs. In summary, the cytotoxicity, oxidative properties, and genotoxicity of plastic particles depends on their concentration, duration of action, and cell type. Also, NPs/MPs with a smaller diameter and positive zeta potential, and those exposed to UV and functionalized with amino groups, demonstrate higher toxicity than larger, non-functionalized and environmentally-unchanged particles with a negative zeta potential.
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Affiliation(s)
| | | | | | - Bożena Bukowska
- University of Lodz, Faculty of Biology and Environmental Protection, Department of Biophysics of Environmental Pollution, Pomorska 141/143, 90-236 Lodz, Poland; (K.P.); (P.S.); (W.M.)
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3
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Aye KTN, Ferreira JN, Chaweewannakorn C, Souza GR. Advances in the application of iron oxide nanoparticles (IONs and SPIONs) in three-dimensional cell culture systems. SLAS Technol 2024; 29:100132. [PMID: 38582355 DOI: 10.1016/j.slast.2024.100132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2023] [Revised: 03/22/2024] [Accepted: 04/04/2024] [Indexed: 04/08/2024]
Abstract
BACKGROUND The field of tissue engineering has remarkably progressed through the integration of nanotechnology and the widespread use of magnetic nanoparticles. These nanoparticles have resulted in innovative methods for three-dimensional (3D) cell culture platforms, including the generation of spheroids, organoids, and tissue-mimetic cultures, where they play a pivotal role. Notably, iron oxide nanoparticles and superparamagnetic iron oxide nanoparticles have emerged as indispensable tools for non-contact manipulation of cells within these 3D environments. The variety and modification of the physical and chemical properties of magnetic nanoparticles have profound impacts on cellular mechanisms, metabolic processes, and overall biological function. This review article focuses on the applications of magnetic nanoparticles, elucidating their advantages and potential pitfalls when integrated into 3D cell culture systems. This review aims to shed light on the transformative potential of magnetic nanoparticles in terms of tissue engineering and their capacity to improve the cultivation and manipulation of cells in 3D environments.
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Affiliation(s)
- Khin The Nu Aye
- Avatar Biotechnologies for Oral Health and Healthy Longevity Research Unit, Department of Research Affairs, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand
| | - Joao N Ferreira
- Avatar Biotechnologies for Oral Health and Healthy Longevity Research Unit, Department of Research Affairs, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand
| | - Chayanit Chaweewannakorn
- Avatar Biotechnologies for Oral Health and Healthy Longevity Research Unit, Department of Research Affairs, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand; Department of Occlusion, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand.
| | - Glauco R Souza
- Greiner Bio-One North America, Inc., 4238 Capital Drive, Monroe, NC 28110, USA
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Guo Z, Song H, Tian Y, Xu J, Zhang G, Guo Y, Shen R, Wang D. SiRNF8 Delivered by DNA Framework Nucleic Acid Effectively Sensitizes Chemotherapy in Colon Cancer. Int J Nanomedicine 2024; 19:171-188. [PMID: 38204601 PMCID: PMC10777867 DOI: 10.2147/ijn.s437859] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Accepted: 12/23/2023] [Indexed: 01/12/2024] Open
Abstract
Background The evident side effects and decreased drug sensitivity significantly restrict the use of chemotherapy. However, nanoparticles based on biomaterials are anticipated to address this challenge. Methods Through bioinformatics analysis and colon cancer samples, we initially investigated the expression level of RNF8 in colon cancer. Next, we constructed nanocarrier for delivering siRNF8 based on DNA tetrahedron (si-Tet), and Doxorubicin (DOX) was further intercalated into the DNA structure (si-DOX-Tet) for combination therapy. Further, the effects and mechanism of RNF8 inhibition on the sensitivity of colon cancer cells to DOX chemotherapy have also been studied. Results RNF8 expression was increased in colon cancer. Agarose gel electrophoresis, transmission electron microscopy, and size distribution and potential analysis confirmed the successful preparation of the two nanoparticles, with particle sizes of 10.29 and 37.29 nm, respectively. Fluorescence imaging reveals that the carriers can be internalized into colon cancer cells and escape from lysosomes after 12 hours of treatment, effectively delivering siRNF8 and DOX. Importantly, Western blot analysis verified treatment with 50nM si-Tet silenced RNF8 expression by approximately 50% in colon cancer cells, and combined treatment significantly inhibited cell proliferation. Furthermore, the CCK-8 assay demonstrated that si-Tet treatment enhanced the sensitivity of colon cancer cells to the three chemotherapeutic drugs. Significant more DNA damage was detected after treatment with both si-Tet or si-DOX-Tet. Further flow cytometry analysis revealed that si-DOX-Tet treatment led to significantly more apoptosis, approximately 1.6-fold higher than treatment with DOX alone. Mechanistically, inhibiting RNF8 led to decreased ABCG2 expression and DOX efflux, but increased DNA damage, thereby enhancing the chemotherapeutic effect of DOX. Conclusion We have successfully constructed si-DOX-Tet. By inhibiting the expression of RNF8, it enhances the chemotherapy sensitivity of DOX. Therefore, this tetrahedral FNA nanocarrier offers a new approach for the combined treatment of colon cancer.
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Affiliation(s)
- Zhao Guo
- Department of Anatomy and Histology, Lanzhou University School of Basic Medical Sciences, Lanzhou, 730000, People’s Republic of China
| | - Haoyun Song
- Department of Anatomy and Histology, Lanzhou University School of Basic Medical Sciences, Lanzhou, 730000, People’s Republic of China
| | - Yingxia Tian
- Department of Internal Medicine, Gansu Provincial Academic Institute for Medical Research, Lanzhou, 730050, People’s Republic of China
| | - Jie Xu
- Cuiying Biomedical Research Center, Lanzhou University Second Hospital, Lanzhou, Gansu, 730030, People’s Republic of China
| | - Guokun Zhang
- Department of Anatomy and Histology, Lanzhou University School of Basic Medical Sciences, Lanzhou, 730000, People’s Republic of China
| | - Yanan Guo
- Department of Anatomy and Histology, Lanzhou University School of Basic Medical Sciences, Lanzhou, 730000, People’s Republic of China
| | - Rong Shen
- Department of Anatomy and Histology, Lanzhou University School of Basic Medical Sciences, Lanzhou, 730000, People’s Republic of China
| | - Degui Wang
- Department of Anatomy and Histology, Lanzhou University School of Basic Medical Sciences, Lanzhou, 730000, People’s Republic of China
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Jia T, Pan N, Song X, Gao Y, Zhang Z, Xu H, Zhao C. Preparation and Characterization of Insecticide/Calix[4]arene Complexes and Their Enhanced Insecticidal Activities against Plutella xylostella. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:5576-5584. [PMID: 37014048 DOI: 10.1021/acs.jafc.3c00657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Abstract
Applications of supramolecular materials in plant protection have attracted significant interest in recent years. To develop a feasible method to improve the efficacy and reduce the usage of chemical pesticides, the effect of calix[4]arene (C4A) inclusion on enhancing the insecticidal activity of commercial insecticides was investigated. Results showed that all three tested insecticides (chlorfenapyr, indoxacarb, and abamectin) with distinct molecular sizes and modes of action were able to form stable 1:1 host-guest complexes with C4A through simple preparation steps. The insecticidal activities of the complexes against Plutella xylostella were effectively enhanced compared to the guest molecule, with the synergism ratio being up to 3.05 (for indoxacarb). An obvious correlation was found between the enhanced insecticidal activity and the high binding affinity between insecticide and C4A, while the improvement in water solubility may not be a determining factor. The work would provide hints for the further development of functional supramolecular hosts as synergists in pesticide formulations.
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Affiliation(s)
- Tianhao Jia
- National Key Laboratory of Green Pesticide; State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, South China Agricultural University, Guangzhou 510642, China
| | - Nianyou Pan
- National Key Laboratory of Green Pesticide; State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, South China Agricultural University, Guangzhou 510642, China
| | - Xiangmin Song
- National Key Laboratory of Green Pesticide; State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, South China Agricultural University, Guangzhou 510642, China
| | - Yongchao Gao
- National Key Laboratory of Green Pesticide; State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, South China Agricultural University, Guangzhou 510642, China
| | - Zhixiang Zhang
- National Key Laboratory of Green Pesticide; State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, South China Agricultural University, Guangzhou 510642, China
| | - Hanhong Xu
- National Key Laboratory of Green Pesticide; State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, South China Agricultural University, Guangzhou 510642, China
| | - Chen Zhao
- National Key Laboratory of Green Pesticide; State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, South China Agricultural University, Guangzhou 510642, China
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Chen J, Xu Z, Liu Y, Mei A, Wang X, Shi Q. Cellular absorption of polystyrene nanoplastics with different surface functionalization and the toxicity to RAW264.7 macrophage cells. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 252:114574. [PMID: 36706525 DOI: 10.1016/j.ecoenv.2023.114574] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 01/05/2023] [Accepted: 01/22/2023] [Indexed: 06/18/2023]
Abstract
Nanoplastics (NPs) are a matter of widespread concern, as they are easily absorbed by a wide variety of organisms and accumulate in biological tissues. While there is evidence that nanoplastics are toxic to various organisms, few studies have investigated the mechanisms underlying the toxicities of NPs with different surface functionalizations to macrophage cells. In this study, mouse mononuclear macrophage (RAW264.7) cells were exposed to polystyrene nanoplastics (PS-NPs) with three different surface functionalizations, namely pristine polystyrene (PS), carboxyl-functionalized polystyrene (PS-COOH), and amino-functionalized polystyrene (PS-NH2), to evaluate the cellular endocytosis, lactate dehydrogenase (LDH) release, cell viability, reactive oxygen species (ROS), mitochondrial membrane potential, apoptosis, and related gene expression. Results showed that all three PS-NPs were endocytosed into cells. However, in the concentration range of 0-100 μg/mL, PS had no effect on cell viability or apoptosis, but it slightly increased cellular ROS and decreased mitochondrial membrane potential. PS-NH2 exhibited the highest cytotoxicity. PS-COOH and PS-NH2 induced ROS production, altered the mitochondrial membrane potential, and caused cell apoptosis regulated by the mitochondrial apoptosis pathway. Results also showed that cell membrane damage induced by PS-NH2 is one of the primary mechanisms of its cytotoxicity to RAW264.7 cells. The results of this study clarify the toxicities of PS-NPs with different surface functionalizations to macrophages, thereby improving the identification of immune system risks related to nanoplastics.
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Affiliation(s)
- Jiao Chen
- College of Ecology and Environment, Xin Jiang University, Urumqi 830046, PR China
| | - Zijun Xu
- College of Ecology and Environment, Xin Jiang University, Urumqi 830046, PR China; College of Resources and Environment Sciences, China Agricultural University, Beijing 100193, PR China
| | - Yuying Liu
- College of Ecology and Environment, Xin Jiang University, Urumqi 830046, PR China
| | - AoXue Mei
- College of Ecology and Environment, Xin Jiang University, Urumqi 830046, PR China
| | - Xiyuan Wang
- College of Ecology and Environment, Xin Jiang University, Urumqi 830046, PR China.
| | - Qingdong Shi
- College of Ecology and Environment, Xin Jiang University, Urumqi 830046, PR China.
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Recent insights into uptake, toxicity, and molecular targets of microplastics and nanoplastics relevant to human health impacts. iScience 2023; 26:106061. [PMID: 36818296 PMCID: PMC9929686 DOI: 10.1016/j.isci.2023.106061] [Citation(s) in RCA: 30] [Impact Index Per Article: 30.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023] Open
Abstract
Microplastics and nanoplastics (M-NPLs) are ubiquitous environmentally, chemically, or mechanically degraded plastic particles. Humans are exposed to M-NPLs of various sizes and types through inhalation of contaminated air, ingestion of contaminated water and food, and other routes. It is estimated that Americans ingest tens of thousands to millions of M-NPLs particles yearly, depending on socioeconomic status, age, and gender. M-NPLs have spurred interest in toxicology because of their abundance, ubiquitous nature, and ability to penetrate bodily and cellular barriers, producing toxicological effects in cells, tissues, organs, and organ systems. The present review paper highlights: (1) The current knowledge in understanding the detrimental effects of M-NPLs in mouse models and human cell lines, (2) cellular organelle localization of M-NPLs, and the underlying uptake mechanisms focusing on endocytosis, (3) the possible pathways involved in M-NPLs toxicity, particularly reactive oxygen species, nuclear factor-erythroid factor 2-related factor 2 (NRF2), Wnt/β-Catenin, Nuclear Factor Kappa B (NF-kB)-regulated inflammation, apoptosis, and autophagy signaling. We also highlight the potential role of M-NPLs in increasing the incubation time, spread, and transport of the COVID-19 virus. Finally, we discuss the future prospects in this field.
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Yue T, Lv R, Xu D, Xu Y, Liu L, Dai Y, Zhao J, Xing B. Competitive and/or cooperative interactions of graphene-family materials and benzo[a]pyrene with pulmonary surfactant: a computational and experimental study. Part Fibre Toxicol 2021; 18:46. [PMID: 34915923 PMCID: PMC8675531 DOI: 10.1186/s12989-021-00436-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Accepted: 11/24/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Airborne nanoparticles can be inhaled and deposit in human alveoli, where pulmonary surfactant (PS) molecules lining at the alveolar air-water interface act as the first barrier against inhaled nanoparticles entering the body. Although considerable efforts have been devoted to elucidate the mechanisms underlying nanoparticle-PS interactions, our understanding on this important issue is limited due to the high complexity of the atmosphere, in which nanoparticles are believed to experience transformations that remarkably change the nanoparticles' surface properties and states. By contrast with bare nanoparticles that have been extensively studied, relatively little is known about the interactions between PS and inhaled nanoparticles which already adsorb contaminants. In this combined experimental and computational effort, we investigate the joint interactions between PS and graphene-family materials (GFMs) with coexisting benzo[a]pyrene (BaP). RESULTS Depending on the BaP concentration, molecular agglomeration, and graphene oxidation, different nanocomposite structures are formed via BaPs adsorption on GFMs. Upon deposition of GFMs carrying BaPs at the pulmonary surfactant (PS) layer, competition and cooperation of interactions between different components determines the interfacial processes including BaP solubilization, GFM translocation and PS perturbation. Importantly, BaPs adsorbed on GFMs are solubilized to increase BaP's bioavailability. By contrast with graphene adhering on the PS layer to release part of adsorbed BaPs, more BaPs are released from graphene oxide, which induces a hydrophilic pore in the PS layer and shows adverse effect on the PS biophysical function. Translocation of graphene across the PS layer is facilitated by BaP adsorption through segregating it from contact with PS, while translocation of graphene oxide is suppressed by BaP adsorption due to the increase of surface hydrophobicity. Graphene extracts PS molecules from the layer, and the resultant PS depletion declines with graphene oxidation and BaP adsorption. CONCLUSION GFMs showed high adsorption capacity towards BaPs to form nanocomposites. Upon deposition of GFMs carrying BaPs at the alveolar air-water interface covered by a thin PS layer, the interactions of GFM-PS, GFM-BaP and BaP-PS determined the interfacial processes of BaP solubilization, GFM translocation and PS perturbation.
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Affiliation(s)
- Tongtao Yue
- Institute of Coastal Environmental Pollution Control, Ministry of Education Key Laboratory of Marine Environment and Ecology, Frontiers Science Center for Deep Ocean Multispheres and Earth System, Ocean University of China, Qingdao, 266100, China.,Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266237, China
| | - Rujie Lv
- College of Chemical Engineering, China University of Petroleum (East China), Qingdao, 266580, China
| | - Dongfang Xu
- Institute of Coastal Environmental Pollution Control, Ministry of Education Key Laboratory of Marine Environment and Ecology, Frontiers Science Center for Deep Ocean Multispheres and Earth System, Ocean University of China, Qingdao, 266100, China
| | - Yan Xu
- College of Electronic Engineering and Automation, Shandong University of Science and Technology, Qingdao, 266590, China
| | - Lu Liu
- Institute of Coastal Environmental Pollution Control, Ministry of Education Key Laboratory of Marine Environment and Ecology, Frontiers Science Center for Deep Ocean Multispheres and Earth System, Ocean University of China, Qingdao, 266100, China
| | - Yanhui Dai
- Institute of Coastal Environmental Pollution Control, Ministry of Education Key Laboratory of Marine Environment and Ecology, Frontiers Science Center for Deep Ocean Multispheres and Earth System, Ocean University of China, Qingdao, 266100, China
| | - Jian Zhao
- Institute of Coastal Environmental Pollution Control, Ministry of Education Key Laboratory of Marine Environment and Ecology, Frontiers Science Center for Deep Ocean Multispheres and Earth System, Ocean University of China, Qingdao, 266100, China. .,Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266237, China.
| | - Baoshan Xing
- Stockbridge School of Agriculture, University of Massachusetts, Amherst, MA, 01003, USA.
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Shan X, Liu L, Li G, Xu K, Liu B, Jiang W. PM 2.5 and the typical components cause organelle damage, apoptosis and necrosis: Role of reactive oxygen species. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 782:146785. [PMID: 33838376 DOI: 10.1016/j.scitotenv.2021.146785] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Revised: 03/22/2021] [Accepted: 03/23/2021] [Indexed: 06/12/2023]
Abstract
In this research, the organelle damage, apoptosis and necrosis induced by PM2.5, BC and Kaolin were studied using human bronchial epithelial (16HBE) cells. PM2.5, BC and Kaolin all induce cell death, LDH release and excess intracellular ROS generation. For the organelle injuries, Kaolin and high-dose PM2.5 (240 μg/mL) cause lysosomal acidification, but BC causes lysosomal alkalization (lysosomal membrane permeabilization, LMP). BC and Kaolin cause the loss of mitochondrial membrane potential (MMP), while PM2.5 does not. For the cell death mode, PM2.5 causes both apoptosis and necrosis. However only necrosis has been detected in the BC and Kaolin treated groups, indicating the more severe cellular insult. Excess ROS generation is involved in the organelle damage and cell death. ROS contributes to the BC-induced LMP and necrosis, but does not significantly affect the Kaolin-induced MMP loss and necrosis. Therefore, the BC component in PM2.5 may cause cytotoxicity via ROS-dependent pathways, the Kaolin component may damage cells via ROS-independent mechanisms such as strong interaction. The PM2.5-induced apoptosis and necrosis can be partially mitigated after the removal of ROS, indicating the existence of both the ROS-dependent and ROS-independent mechanisms due to the complicated PM2.5 components. BC represents the anthropogenic source component in PM2.5, while Kaolin represents the natural source component. Our results provide knowledge on the toxic mechanisms of typical PM2.5 components at the cellular and subcellular levels.
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Affiliation(s)
- Xifeng Shan
- Environment Research Institute, Shandong University, Qingdao 266237, China
| | - Ling Liu
- Environment Research Institute, Shandong University, Qingdao 266237, China
| | - Gang Li
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Kexin Xu
- Environment Research Institute, Shandong University, Qingdao 266237, China
| | - Bingyan Liu
- Environment Research Institute, Shandong University, Qingdao 266237, China
| | - Wei Jiang
- Environment Research Institute, Shandong University, Qingdao 266237, China.
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10
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Liu L, Xu K, Zhang B, Ye Y, Zhang Q, Jiang W. Cellular internalization and release of polystyrene microplastics and nanoplastics. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 779:146523. [PMID: 34030247 DOI: 10.1016/j.scitotenv.2021.146523] [Citation(s) in RCA: 99] [Impact Index Per Article: 33.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Revised: 03/12/2021] [Accepted: 03/12/2021] [Indexed: 06/12/2023]
Abstract
Microplastics and nanoplastics can accumulate in organisms after being ingested, be transported in the food web, and ultimately threaten human health. An understanding of the cellular internalization and release of micro(nano)plastics is important to predict their cytotoxicity. In this study, 50 nm, 500 nm and 5 μm polystyrene particles (PS50, PS500 and PS5000) were exposed to both model cell membranes and rat basophilic leukemia (RBL-2H3) cells. PS50 and PS500 absorb on the model membrane due to hydrophobic interactions and Van der Waals' forces, and may also penetrate the model membrane. PS50 and PS500 are internalized into living cells via both passive membrane penetration and active endocytosis. The passive membrane penetration is due to the partition of polystyrene particles in the water-phospholipid system. The endocytosis of PS50 occurs through the clathrin-mediated pathway, the caveolin-mediated pathway and macropinocytosis, but endocytosis of PS500 is mainly via the macropinocytosis. PS5000 cannot adhere to the cell membrane or be internalized into cells due to its large size and weak Brownian motion. The endocytosed PS50 and PS500 mainly accumulate in the lysosomes. The passively internalized PS50 and PS500 initially distribute in the cytoplasm not in lysosomes, but are transported to lysosomes with energy supply. PS50 and PS500 are excreted from cells via energy-free penetration and energy-dependent lysosomal exocytosis. The masses of the internalized PS50 inside the cells and the excreted PS50 outside the cells were both higher than the masses of PS500, indicating that the smaller particles are more easily enter or leave cells than do their larger counterparts. Our findings will contribute to the risk assessment of micro(nano)plastics and their safe application.
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Affiliation(s)
- Ling Liu
- Environment Research Institute, Shandong University, Qingdao 266237, China
| | - Kexin Xu
- Environment Research Institute, Shandong University, Qingdao 266237, China
| | - Bowen Zhang
- Environment Research Institute, Shandong University, Qingdao 266237, China
| | - Yiyuan Ye
- Environment Research Institute, Shandong University, Qingdao 266237, China
| | - Qiu Zhang
- School of Environmental Sciences and Engineering, Shandong University, Qingdao 266237, China
| | - Wei Jiang
- Environment Research Institute, Shandong University, Qingdao 266237, China.
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11
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Linklater DP, Baulin VA, Le Guével X, Fleury JB, Hanssen E, Nguyen THP, Juodkazis S, Bryant G, Crawford RJ, Stoodley P, Ivanova EP. Antibacterial Action of Nanoparticles by Lethal Stretching of Bacterial Cell Membranes. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2020; 32:e2005679. [PMID: 33179362 DOI: 10.1002/adma.202005679] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Revised: 10/05/2020] [Indexed: 06/11/2023]
Abstract
It is commonly accepted that nanoparticles (NPs) can kill bacteria; however, the mechanism of antimicrobial action remains obscure for large NPs that cannot translocate the bacterial cell wall. It is demonstrated that the increase in membrane tension caused by the adsorption of NPs is responsible for mechanical deformation, leading to cell rupture and death. A biophysical model of the NP-membrane interactions is presented which suggests that adsorbed NPs cause membrane stretching and squeezing. This general phenomenon is demonstrated experimentally using both model membranes and Pseudomonas aeruginosa and Staphylococcus aureus, representing Gram-positive and Gram-negative bacteria. Hydrophilic and hydrophobic quasi-spherical and star-shaped gold (Au)NPs are synthesized to explore the antibacterial mechanism of non-translocating AuNPs. Direct observation of nanoparticle-induced membrane tension and squeezing is demonstrated using a custom-designed microfluidic device, which relieves contraction of the model membrane surface area and eventual lipid bilayer collapse. Quasi-spherical nanoparticles exhibit a greater bactericidal action due to a higher interactive affinity, resulting in greater membrane stretching and rupturing, corroborating the theoretical model. Electron microscopy techniques are used to characterize the NP-bacterial-membrane interactions. This combination of experimental and theoretical results confirm the proposed mechanism of membrane-tension-induced (mechanical) killing of bacterial cells by non-translocating NPs.
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Affiliation(s)
- Denver P Linklater
- School of Science, RMIT University, P.O. Box 2476, Melbourne, Victoria, 3001, Australia
- Opical Sciences Centre, Swinburne University of Technology, Hawthorn, Victoria, 3122, Australia
| | - Vladimir A Baulin
- Department d'Enginyeria Quimica, Universitat Rovira i Virgili, 26 Av. dels Paisos Catalans, Tarragona, 43007, Spain
| | - Xavier Le Guével
- Insitute for Advanced Biosciences, University Grenoble-Alpes, Allee des Alpes, La Tronche, 38700, France
| | - Jean-Baptiste Fleury
- Experimental Physics and Center for Biophysics, Saarland University, Saarbrücken, 66123, Germany
| | - Eric Hanssen
- Ian Holmes Imaging Centre, Bio21 Institute, University of Melbourne, 30 Flemington Rd, Parkville, Victoria, 3010, Australia
| | - The Hong Phong Nguyen
- Faculty of Applied Sciences, Ton Duc Thang University, Ho Chi Minh City, 700000, Vietnam
| | - Saulius Juodkazis
- Opical Sciences Centre, Swinburne University of Technology, Hawthorn, Victoria, 3122, Australia
| | - Gary Bryant
- School of Science, RMIT University, P.O. Box 2476, Melbourne, Victoria, 3001, Australia
| | - Russell J Crawford
- School of Science, RMIT University, P.O. Box 2476, Melbourne, Victoria, 3001, Australia
| | - Paul Stoodley
- Infectious Diseases Institute, The Ohio State University, 716 Biomedical Research Tower, 460 West 12th Avenue, Columbus, OH, 43210, USA
- National Centre for Advanced Tribology at Southampton (nCATS), National Biofilm Innovation Centre (NBIC), Mechanical Engineering, University of Southampton, Southampton, SO17 1Bj, UK
| | - Elena P Ivanova
- School of Science, RMIT University, P.O. Box 2476, Melbourne, Victoria, 3001, Australia
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12
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Liu L, Zhou Q, Yang X, Li G, Zhang J, Zhou X, Jiang W. Cytotoxicity of the soluble and insoluble fractions of atmospheric fine particulate matter. J Environ Sci (China) 2020; 91:105-116. [PMID: 32172959 DOI: 10.1016/j.jes.2020.01.012] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2019] [Revised: 01/07/2020] [Accepted: 01/08/2020] [Indexed: 06/10/2023]
Abstract
Inhaled atmospheric fine particulate matter (PM2.5) includes soluble and insoluble fractions, and each fraction can interact with cells and cause adverse effects. PM2.5 samples were collected in Jinan, China, and the soluble and insoluble fractions were separated. According to physiochemical characterization, the soluble fraction mainly contains water-soluble ions and organic acids, and the insoluble fraction mainly contains kaolinite, calcium carbonate and some organic carbon. The interaction between PM2.5 and model cell membranes was examined with a quartz crystal microbalance with dissipation (QCM-D) to quantify PM2.5 attachment on membranes and membrane disruption. The cytotoxicity of the total PM2.5 and the soluble and insoluble fractions, was investigated. Negatively charged PM2.5 can adhere to the positively charged membranes and disrupt them. PM2.5 also adheres to negatively charged membranes but does not cause membrane rupture. Therefore, electrostatic repulsion does not prevent PM2.5 attachment, but electrostatic attraction induces remarkable membrane rupture. The human lung epithelial cell line A549 was used for cytotoxicity assessment. The detected membrane leakage, cellular swelling and blebbing indicated a cell necrosis process. Moreover, the insoluble PM2.5 fraction caused a higher cell mortality and more serious cell membrane damage than the soluble fraction. The levels of reactive oxygen species (ROS) enhanced by the two fractions were not significantly different. The findings provide more information to better understand the mechanism of PM2.5 cytotoxicity and the effect of PM2.5 solubility on cytotoxicity.
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Affiliation(s)
- Ling Liu
- Environment Research Institute, Shandong University, Qingdao 266237, China.
| | - Qiuhua Zhou
- Environment Research Institute, Shandong University, Qingdao 266237, China
| | - Xuezhi Yang
- Environment Research Institute, Shandong University, Qingdao 266237, China
| | - Gang Li
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Jingzhu Zhang
- Environment Research Institute, Shandong University, Qingdao 266237, China
| | - Xuehua Zhou
- Environment Research Institute, Shandong University, Qingdao 266237, China
| | - Wei Jiang
- Environment Research Institute, Shandong University, Qingdao 266237, China.
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Khorrampour R, Raissi H, Shaki H, Morsali A, Hashemzadeh H. The scrutinised DFT and MD studies on the adsorption of D-penicillamine drug on γ-Fe 2O 3 nanoparticle as a highly efficient carrier. MOLECULAR SIMULATION 2020. [DOI: 10.1080/08927022.2020.1716979] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
| | - Heidar Raissi
- Chemistry Department, University of Birjand, Birjand, Iran
| | - Hosien Shaki
- Chemistry Department, Payame Noor University, Mashhad, Iran
| | - Ali Morsali
- Chemistry Department, Mashhad Branch, Islamic Azad University, Mashhad, Iran
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